dmonnier

A fully CSS-able jQuery countdown/countup timer available in both widget and shortcode. Based on <a href="http://keith-wood.name/countdown.html" title="jQuery Countdown by Keith Wood" rel="nofollow ugc">jQuery Countdown</a> by Keith Wood.
Features:
<ul>
<li>Supports multiple countdowns</li>
<li>Available as both a widget and a shortcode</li>
<li>Localization based on your WordPress’s installation language</li>
<li>Timer can be set to count down or count up</li>
<li>You choose how much information to display from years to seconds</li>
<li>Option to set expiration message</li>
<li>Option to redirect to a new URL upon expiry</li>
</ul>
Most importantly, YOU have full control over the CSS! Every single element can be targeted and manipulated any way you want. Also works right out of the box with four pre-defined display styles if you don’t care to fiddle with the CSS yourself.
<h3>Future Development</h3>
<ul>
<li>Pre-built color schemes</li>
<li>Upgrade to version 2.0.0</li>
<li>Admin panel localization</li>
</ul>

CSSable Countdown

A fully CSS-able jQuery countdown/countup timer available in both widget and shortcode.

Yaidier

The Countdown Timer Plugin is a 100% free and 100% customizable plugin, it will allow you to create different countdown models for your website. You can customize a number of parameters in order to make the plugin look exactly the way you want; you will also have the option of adding to the Timer the visual effect of circles in different versions.
The Countdown Timer plugin has 8 timer templates by default, so you can load and customize them at your will, you can also create your own template from scratch.
You must enter the target date and time and the Timer Countdown plugin will automatically calculate the remaining time and display it on the pages of your website that has the [timer-countdown] shortcode. You will be able to display the remaining time in years, months, days, hours, minutes, and seconds; or any configuration you decide. The remaining time will be calculated taking into account the time of your WordPress installation and not the local time of each connected user. In that way when the count reaches zero, it will reach zero for all users at the same time, regardless of where in the world they are.
Features
<ul>
<li>Linear and circular Timer</li>
<li>100% customizable</li>
<li>100% free</li>
<li>Save/Load Timers</li>
<li>8 default timer templates</li>
<li>Font Options (Family, weight, color, etc)</li>
<li>Hide on mobile option</li>
<li>Individual and Global Options</li>
<li>Box Shadow Effect</li>
<li>Border Radius Effect</li>
<li>Flash and Smooth backwards (Circles)</li>
<li>Square and round Stroke (Circles)</li>
<li>Stroke Width (Circles)</li>
<li>Smooth and ticks transition (Circles)</li>
<li>Side by side and vertical position</li>
<li>Goal Message option</li>
<li>Hide timer on goal option</li>
</ul>
<iframe loading="lazy" title="Countdown Timer for WordPress" width="750" height="422" src="https://www.youtube.com/embed/13sepnXWvdo?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
How to use it
<blockquote>
Just copy and paste the [timer-countdown] shortcode into the pages of your website > where you want the timer to be displayed.
</blockquote>

Countdown Timer

Countdown Timer is a 100% free and customizable plugin, which allows you to create countless countdown models that suit the style of your website.

CSSable Countdown vs Countdown Timer